Superiority
NAME Choline Theophyllinate B.P. / U.S.P. [ oxtriphylline ]
CHEMICAL FORMULA C12H12N5O3 Molecular weight : 283.3
CAS NUMBER 4499 - 40 - 5
DESCR…
Details
NAME Choline Theophyllinate B.P. / U.S.P. [ oxtriphylline ]
CHEMICAL FORMULA C12H12N5O3 Molecular weight : 283.3
CAS NUMBER 4499 - 40 - 5
DESCRIPTION A White Crystalline powder odourless or with a faint amine like odour.
CHEMICAL SPECIFICATION TESTS SPECIFICATIONS
Identification Complies
Solubility
Very soluble in water, soluble in ethanol
(96 %), very slightly soluble in chloroform
and in ether.
Melting Point Between 187°C and 192°C
Clarity and colour of solution Complies.
Related substances (TLC) Complies.
Loss on drying Not more than 0.5 %
Sulphated ash Not more than 0.1 %
Water Not more than 1.5 % w/w.
Assay
1)For Choline
Between 41.9 % and 43.6 % of C5H15No2
on dried basis.
2)For Theophylline Between 61.7 % and 65.5 % of C7H9N4O2
on dried basis.
PACKAGING 25 Kgs Blue HDPE Drum.
STORAGE Store in cool, dry place in well-closed containers.